Finding the Fourth Proportional to 1,442,664, 1,990,934.94 and 798,073.08
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Solution
The fourth proportional to 1,442,664, 1,990,934.94 and 798,073.08 is: 1,101,373.28
Step by Step Solution
- Step 1: Write the proportion equation
1,442,664 : 1,990,934.94 = 798,073.08 : x - Step 2: Convert to fraction form
1,442,664/1,990,934.94 = 798,073.08/x - Step 3: Cross multiply
1,442,664x = 1,990,934.94 × 798,073.08 - Step 4: Simplify right side
1,442,664x = 1,588,911,579,645.42 - Step 5: Solve for x
x = 1,588,911,579,645.42/1,442,664 - Step 6: Final answer
x = 1,101,373.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.